#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
#include <time.h>

void menu()
{
    printf("----------");
    printf("1.paly\n");
    printf("0.exit\n");
    printf("----------");
}

void game()
{
    int guess = 0;
    RAND_MAX;
    int ret = rand()%100 + 1;
    while (1)
    {
        printf("请猜数字：>");
        scanf("%d", &guess);
        if(guess < ret)
            printf("猜小了\n");
        else if (guess > ret)
            printf("猜大了\n");
        else
        {
            printf("恭喜你，猜对了\n");
            break;
        }
    }
}

int main()
{
    int input = 0;
    srand((unsigned int)time(NULL));
    
    do
    {
        menu();
        printf("请选择：>");
        scanf("%d", &input);
        switch(input)
        {
        case 1:
            game();
            break;
        case 0:
            printf("退出游戏\n");
            break;
        default:
            printf("选择错误，重新选择！\n");
            break;
        }
    } while(input);

    return 0;
}